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. 2023 Jun 20;11:1163022. doi: 10.3389/fped.2023.1163022

Table 2.

Requirements of the VR game.

Source/rationale General and environment requirements Content requirements
Interviews with healthcare professionals of the proton center
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    No nausea shall be caused by the VR game

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    Information shall be correct, but not stress or fear inducing

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    Incorporation of the study into the therapy workflow: VR game use/patient interviews after the initial visit/first treatment fractions
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    Visualization of proton treatment machine;

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    Noises associated with the therapy machine/workflow shall be recognizable

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    The color scheme shall resemble the one of the therapy center
General considerations
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    Use of VR game in rotating chair in a supervised quiet room (hospital environment, prevent accidents)

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    Simple understandable texts (target group)
Interviews with patients
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    Visual representation of treatment machine

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    Noises associated to treatment shall be recognizable

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    Incorporate superhero as protagonist, e.g., Radio Robby (from Deutsche Kinderkrebsstiftung)
Literature
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    Adhere to the 7 gaming principles of Houser and DeLoach (30)

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    Flow experience regarding user actions (31)

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    Recognizable machines, but no realism